Results of post-marketing testing of winter soft wheat varieties at the varietal testing station of the slavyanoserbskaya varietal testing station of the lsau branch in the conditions of the Lugansk people's republic

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Abstract
Winter wheat is the main food crop in the Russian Federation. However, extreme weather conditions have increased dramatically in recent decades, exacerbating the dependance of the size and quality of winter common wheat productivity on weather. There is a need for the proper selection of varieties in these conditions. The purpose of the current study was to identify, through post-registration variety testing, winter wheat varieties of different ecological and geographical origins with large productivity, adaptability, and resistance to agro-ecological changes to introduce into production, and to evaluate their profitability and production benefits. The study of winter wheat varieties during post-registration testing at the Slavyanoserbsk Variety Testing Station of the branch of the FSBEI HE LSAU in the Lugansk People’s Republic in 2023–2025 has established that the most productive varieties were ‘Shef’, ‘Zhavoronok’, ‘Lilit’, ‘Yubiley Dona’, ‘Donskaya Yubileinaya’ developed in the FSBSI “ARC “Donskoy”, with average productivity of 2.98 t/ha over the years of study. The average productivity of the varieties developed at the National Center of Grain named after P.P. Lukyanenko was 2.84 t/ha, with promising varieties ‘Alekseich’ and ‘Bezostaya 100’. The varieties ‘Gubernator Dona’ and ‘Tarasovskaya 70’ developed at the FSBSI FRASC are of production interest. Despite the large average productivity in 2024 (29.8 t/ha), the varieties developed at “EkoNiva-Semena” have shown 2.55 t/ha over the years of study. The calculation of economic efficiency has shown that the highest net income (RUB 17,650) per 1 hectare and profitability (68.5 %) of winter wheat production in the Luhansk People's Republic were registered for the varieties developed by the FSBSI “ARC “Donskoy”.